When to go · Basel

Basel in September

Great month. Inside Basel's best window: May–Sep; also late Feb for Fasnacht.

Key facts

Verdict: Great
Temperature: 21°C (70°F)70°F (21°C) / 12°C (54°F)54°F (12°C); average high / low
Rain days: 9
Crowds: Medium; Switzerland overall
Prices: Medium; Switzerland overall

Plan around it

Verdict

GreatBest and avoid months for Basel

Inside Basel's best window: May–Sep; also late Feb for Fasnacht.

No other month rates higher than September for Basel in this guide.

Long-term averages

BaselHighs around 21 °C (70 °F), lows around 12 °C (54 °F), rain on about 9 daysHighs around 70 °F (21 °C), lows around 54 °F (12 °C), rain on about 9 days
Plateau cities, Switzerland · Zurich, Bern, Basel, Lucernebest weather
Fog (Hochnebel) can sit over the Plateau for days in November–February while the mountains are sunny — take a train up.

Switzerland overall: Clear, stable weather and fewer crowds; the best hiking month. Cattle come down from the pastures.

Weather, crowds and prices for any two months in Basel, side by side.

First month

Second month

September: Inside Basel's best window: May–Sep; also late Feb for Fasnacht.

February: Inside Basel's best window: May–Sep; also late Feb for Fasnacht.

Basel: figures are long-term averages from this guide, not a forecast.